:root {font-family:'Segoe UI','Noto Sans TC',system-ui,sans-serif;font-synthesis:none;--bg:#f6f5ff;--panel:#fff;--panel2:#f1efff;--ink:#202239;--muted:#78809a;--line:#e8e6f5;--accent:#6959d5;--accent2:#9b74e8;--good:#24a78b;--bad:#e66c7a;--sidebar:#fff;--border:#e4e0f4;--shadow:0 12px 45px #34236c0b;--rad:20px;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}a{color:inherit;text-decoration:none}.hidden{display:none!important}.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:var(--sidebar);border-right:1px solid var(--line);padding:26px 16px;display:flex;flex-direction:column;gap:30px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;padding:0 11px}.brand-glyph{width:45px;height:45px;border-radius:15px;background:linear-gradient(145deg,var(--accent),var(--accent2));color:#fff;font-size:19px;display:flex;align-items:center;justify-content:center;font-weight:900;box-shadow:0 9px 25px #7766cd44}.brand-glyph span{font-size:12px;align-self:flex-end;margin:0 0 9px 1px}.brand strong{font-size:19px;letter-spacing:2px}.brand small,.sidebar-bottom small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.2px;margin-top:4px}.theme-switcher{margin:0 10px;display:flex;gap:8px;align-items:center;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:1.8px}.dot{width:6px;height:6px;background:var(--good);border-radius:100%}.nav{display:flex;flex-direction:column;gap:8px}.nav-btn{width:100%;border:0;background:transparent;border-radius:12px;padding:13px 16px;display:flex;align-items:center;gap:13px;text-align:left;color:var(--muted);font-size:13px;font-weight:650;transition:background .15s}.nav-btn .symbol{font-size:18px;width:22px;text-align:center}.nav-btn:hover,.nav-btn.active{background:var(--panel2);color:var(--accent)}.nav-btn.active{box-shadow:inset 3px 0 var(--accent)}.sidebar-bottom{margin-top:auto;display:flex;gap:12px;align-items:center;padding:15px 12px;border-top:1px solid var(--line);font-size:13px}.sidebar-avatar{border-radius:13px;width:40px;height:40px;background:var(--panel2);color:var(--accent);display:grid;place-items:center;font-weight:800}.workspace{min-width:0;display:flex;flex-direction:column}.topbar{min-height:116px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;align-items:center;padding:24px 43px}.crumb{font-size:11px;color:var(--muted);font-weight:700;letter-spacing:1.1px}.topbar h1{font-size:24px;margin:7px 0 0;letter-spacing:-.6px}.top-actions{display:flex;align-items:center;gap:18px;font-size:12px;color:var(--muted)}.lab-pill{color:var(--accent);background:var(--panel2);border:1px solid var(--line);border-radius:25px;padding:9px 12px;font-size:10px;font-weight:800;letter-spacing:.7px}.mini-ghost{border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--muted);padding:8px 12px}main{width:min(1260px,100%);padding:34px 43px 46px;margin:0 auto;flex:1}.footer{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:10px;padding:19px 43px;border-top:1px solid var(--line)}.intro{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:26px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:2px;color:var(--accent);text-transform:uppercase}.intro h2{font-size:32px;line-height:1.24;letter-spacing:-1px;margin:9px 0}.intro p,.subtext{color:var(--muted);font-size:13px;line-height:1.8;margin:0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.span2{grid-column:span 2}.card{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:var(--rad);padding:24px;min-width:0}.card h3{margin:0 0 16px;font-size:15px}.metric-label{font-size:12px;color:var(--muted)}.metric-number{font-size:32px;font-weight:800;margin:12px 0 5px;letter-spacing:-1px}.metric-note{font-size:11px;color:var(--muted)}.cardhead{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px}.cardhead h3{margin:0}.chip{display:inline-block;padding:6px 10px;background:var(--panel2);color:var(--accent);font-size:10px;font-weight:800;border-radius:40px}.chip.good{background:#28b99216;color:var(--good)}.chip.bad{background:#e66c7a16;color:var(--bad)}.service-list{display:grid;gap:11px}.service-item{padding:14px 15px;border:1px solid var(--line);border-radius:13px;display:flex;align-items:center;justify-content:space-between;gap:10px}.service-item strong{font-size:13px}.service-item small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.service-actions{display:flex;align-items:center;gap:8px}.btn{background:linear-gradient(110deg,var(--accent),var(--accent2));border:1px solid transparent;color:#fff;border-radius:11px;padding:11px 16px;font-weight:700;font-size:12px;box-shadow:0 8px 23px #6959d52b}.btn.alt{background:var(--panel2);color:var(--accent);box-shadow:none}.btn.danger{background:transparent;color:var(--bad);border:1px solid var(--bad);box-shadow:none}.btn:focus-visible,.nav-btn:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent2);outline-offset:2px}.hero{border-radius:26px;background:linear-gradient(115deg,#7969df 0%,#a77edc 58%,#dbb6ef 100%);color:white;padding:35px 40px;position:relative;overflow:hidden;min-height:210px;box-shadow:0 20px 50px #7b65d138}.hero:after{content:'◉';position:absolute;right:6%;top:-85px;opacity:.14;font-size:290px}.hero h2{margin:10px 0;font-size:32px;max-width:650px;position:relative;z-index:1}.hero p{opacity:.88;font-size:13px;position:relative;z-index:1;max-width:540px;line-height:1.8}.hero .btn{position:relative;z-index:1;background:#fff;color:#6758c9;margin-top:15px}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}.form{display:flex;flex-direction:column;gap:15px}.form label{font-size:12px;font-weight:700;color:var(--ink)}.form input,.form select,input,select{width:100%;border:1px solid var(--line);background:var(--panel);color:var(--ink);outline:0;border-radius:11px;padding:13px 14px;margin-top:7px;font-size:13px}.form input:focus,.form select:focus,input:focus,select:focus{border-color:var(--accent)}.form small,.muted{color:var(--muted);font-size:11px;line-height:1.7}.linkbtn{border:0;background:none;color:var(--accent);padding:3px;font-size:12px;font-weight:700}.auth-wrap{max-width:1050px;margin:15px auto;display:grid;grid-template-columns:1.06fr 1fr;gap:25px;align-items:stretch}.auth-splash{border-radius:23px;padding:40px;background:linear-gradient(140deg,#7b6be1,#ae8ee9);min-height:510px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative}.auth-splash:after{content:'✦';font-size:350px;position:absolute;bottom:-185px;right:-12px;opacity:.17}.auth-splash h2{font-size:38px;line-height:1.2;letter-spacing:-1px;margin:16px 0}.auth-splash p{line-height:1.8;opacity:.9;font-size:13px}.auth-card{padding:35px}.auth-card h2{font-size:26px;margin:5px 0 10px}.auth-card .btn{width:100%;margin-top:7px;padding:14px}.pills{display:flex;gap:10px;flex-wrap:wrap}.pills span{font-size:11px;background:#ffffff32;border:1px solid #ffffff51;border-radius:20px;padding:9px 12px}.tablewrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:12px}th{text-align:left;color:var(--muted);font-size:11px;padding:12px;border-bottom:1px solid var(--line);white-space:nowrap}td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:middle}td .btn{padding:7px 11px;font-size:11px}table select{min-width:90px;margin:0;padding:8px}.code{font-family:Consolas,monospace;letter-spacing:.2px;font-size:12px;overflow-wrap:anywhere}.highlight-code{border:1px dashed var(--accent);border-radius:13px;padding:16px;background:var(--panel2);margin:16px 0;display:flex;align-items:center;justify-content:space-between;gap:12px}.chat-layout{display:grid;grid-template-columns:1fr 270px;gap:18px}.chat-card{display:flex;flex-direction:column;min-height:570px}.chat-log{flex:1;height:380px;overflow:auto;display:flex;flex-direction:column;gap:15px;padding:8px 0 22px}.bubble{border-radius:16px;padding:13px 16px;font-size:13px;line-height:1.8;max-width:84%;white-space:pre-wrap;overflow-wrap:anywhere}.bubble.user{align-self:flex-end;background:var(--accent);color:white;border-bottom-right-radius:4px}.bubble.assistant{align-self:flex-start;background:var(--panel2);border:1px solid var(--line);border-bottom-left-radius:4px}.chat-compose{display:flex;gap:9px;border-top:1px solid var(--line);padding-top:15px}.chat-compose input{margin:0;flex:1}.notice{border:1px solid var(--line);background:var(--panel2);padding:14px;border-radius:13px;color:var(--muted);font-size:12px;line-height:1.65}.row{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.align-end{justify-content:flex-end}.section-gap{margin-top:22px}.toast{position:fixed;right:25px;bottom:25px;z-index:10;background:var(--ink);color:var(--panel);border:1px solid var(--accent);box-shadow:0 18px 55px #0003;padding:15px 20px;border-radius:12px;font-size:13px;max-width:390px;display:none}.toast.show{display:block}.stat-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:var(--panel2);color:var(--accent);font-size:21px}
/* Admin: A cyber control room */
body.admin-theme{--bg:#070d16;--panel:#0e1927;--panel2:#10263a;--ink:#e7fbff;--muted:#7f9fb3;--line:#1a3546;--accent:#00dbe6;--accent2:#008eac;--good:#00dfa1;--bad:#ff547a;--sidebar:#0a121e;--border:#1a4353;--shadow:0 0 0 #0000;font-family:'Segoe UI','Microsoft JhengHei',system-ui,sans-serif}
.admin-theme .brand-glyph{background:#043945;border:1px solid var(--accent);color:var(--accent);box-shadow:0 0 20px #00dbe62a}.admin-theme .brand strong{letter-spacing:3px}.admin-theme .nav-btn.active{background:#0d3040;box-shadow:inset 3px 0 var(--accent),0 0 18px #00dbe615}.admin-theme .topbar{background:#080e18}.admin-theme .lab-pill{color:#00e0ba;background:#073329;border-color:#126b53}.admin-theme .card{border-radius:12px}.admin-theme .hero{background:linear-gradient(125deg,#082735,#0b203a 64%,#123747);border:1px solid #008a9d;border-radius:12px;box-shadow:0 0 40px #00d9e514}.admin-theme .hero:after{content:'◇';color:#00efff;opacity:.1}.admin-theme .hero .btn{background:var(--accent);color:#03151c}.admin-theme .btn{color:#03151c;box-shadow:none;border-radius:7px}.admin-theme .btn.alt{color:var(--accent);background:#0b303d}.admin-theme .btn.danger{color:var(--bad);background:transparent}.admin-theme .service-item{background:#0b1521;border-radius:7px}.admin-theme .sidebar-avatar{border:1px solid var(--accent)}
@media(max-width:1100px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid .span2{grid-column:span 2}.chat-layout{grid-template-columns:1fr}}
@media(max-width:800px){.shell{display:block}.sidebar{position:static;height:auto;padding:14px;gap:14px}.nav{flex-direction:row;overflow-x:auto;gap:3px}.nav-btn{width:auto;white-space:nowrap;padding:10px 12px}.sidebar-bottom,.theme-switcher{display:none}.topbar{min-height:auto;padding:20px;align-items:flex-start}.topbar h1{font-size:21px}.top-actions{gap:5px;flex-wrap:wrap;justify-content:flex-end}.lab-pill{font-size:9px}main{padding:20px}.footer{padding:20px;display:block}.auth-wrap{grid-template-columns:1fr}.auth-splash{min-height:220px;padding:25px}.auth-splash h2{font-size:25px}.grid,.grid.two,.split{grid-template-columns:1fr}.grid .span2{grid-column:auto}.hero{padding:25px}.hero h2{font-size:25px}}

/* V25.1 integration center */
.integration-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}
.integration-steps>div{padding:17px;background:var(--panel2);border:1px solid var(--line);border-radius:13px}
.integration-steps strong{display:block;color:var(--ink);font-size:13px;margin-bottom:6px}
.integration-steps small{display:block;color:var(--muted);font-size:12px;line-height:1.65}
@media(max-width:800px){.integration-steps{grid-template-columns:1fr}}